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WO/2023/070760A1 |
A method for catalyzing olefin carbonylation, comprising the following steps: using cyclic alkyl carbene iridium as a catalyst and an olefin as a raw material for carbonylation reaction to generate aldehyde, wherein the structural formul...
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WO/2023/075540A1 |
The present invention relates to a ZIF-8 organometallic frame catalyst composite comprising: a ZIF-8 organometallic frame; and water molecules provided inside the ZIF-8 organometallic frame.
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WO/2023/070761A1 |
Provided in the present invention is an iridium-based catalyst, which is characterized in that the chemical structural formula thereof is as shown in (I), wherein Ph is a phenyl, R is a methyl or ethyl, and X is one or more of CH3CO2, NO...
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WO/2023/071930A1 |
A non-supported hydrogenation catalyst, and a preparation method therefor and the use thereof. The non-supported hydrogenation catalyst is composed of a complex which is formed by bonding a metal central atom or a central ion with an org...
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WO/2023/071936A1 |
A non-supported bimetallic hydrogenation catalyst, and a preparation method therefor and an application thereof. The catalyst is composed of a complex formed by bonding a metal central atom or central ion to an organic ligand by means of...
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WO/2023/065714A1 |
The present invention relates to the technical field of organic synthesis, and provides a pyrimidine- and cyano group-based bifunctional conjugated microporous polymer, and a preparation method therefor and an application thereof. The py...
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WO/2023/065820A1 |
The present invention belongs to the technical field of conjugated microporous polymers, and provides a pyridine-and-thiazole-bifunctionalized conjugated microporous polymer, and a preparation method therefor and the use thereof. The pyr...
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WO/2023/063640A1 |
The present invention relates to a material for preparing an ammonia decomposition catalyst and, particularly, to: a metal complex, which is a metal precursor compound; and a method for preparing an ammonia decomposition catalyst by usin...
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WO/2023/060929A1 |
The present invention relates to an application of a polydentate phosphite ligand in the catalytic synthesis of adiponitrile. The ligand is represented by general formula (I). A method for catalytically synthesizing adiponitrile comprise...
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WO/2023/060778A1 |
Provided are an amphiphobic platinum-containing catalyst material, a preparation method therefor and the use thereof. The method comprises the following steps: constructing a plurality of silicon hydroxyl groups on a surface; growing nan...
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WO/2023/056685A1 |
Provided is a catalyst for reductive amination and a preparation method therefor and the use thereof. The catalyst comprises a structure formed by a metal-based active center and a mercapto donor by means of a chemical bond, and the meta...
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WO/2023/056740A1 |
The present invention belongs to the field of heterocyclic compounds, and in particular relates to a production process for a rubber vulcanization accelerator MBTS. The process comprises the following steps: (1) mixing MBT and a solvent ...
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WO/2023/056041A1 |
Catalyst materials for olefin metathesis reactions. The catalyst materials comprise a ruthenium phosphinimine complex. The ruthenium phosphinimine may be synthesized without bound N-heterocyclic carbene (NHC) or phosphine ligands, thereb...
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WO/2023/049439A1 |
Multifunctional and regenerable N-chlorine based biocidal and detoxifying metal-organic frameworks are provided. Chloramine functional groups on the organic linkers of the metal-organic frameworks act as chlorine carriers. Pathogens or h...
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WO/2023/049476A1 |
Disclosed are improved catalytic carbonylation methods. In general, the methods are suitable for carbonylating a variety of esters in the presence of carbon monoxide or a source thereof and a catalyst system comprising a transition metal...
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WO/2023/048084A1 |
The present invention provides an organic metal complex catalyst for an olefin metathesis reaction, which enables the achievement of a higher yield of a desired substance in an olefin metathesis reaction than the conventional catalysts. ...
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WO/2023/039948A1 |
A method for using a tannic acid coating to assist in the in-situ reduction of a surface of a phenolic resin microsphere to form an ultra-small-size and high-density nano-silver particle, relating to biomass-based nano material preparati...
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WO/2023/043910A1 |
Provided herein are compounds that can be used as a catalyst to form cyclic polymers, and methods of making and using the same. For example, provided herein are compounds of formula (I), and formula (l-dimer).
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WO/2023/037811A1 |
Provided are a method for producing a novel catalytic-metal-supporting resin with which it is possible to improve the efficiency of a refining step, and a method for producing ultrapure water using a catalytic-metal-supporting resin prod...
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WO/2023/036767A1 |
The disclosure provides a flushing process for removing polymer fouling from a reactor including a gas distributor proximal to the bottom thereof and an internal condenser proximal to the top thereof, the method including, for a first fl...
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WO/2023/038249A1 |
The present specification relates to a method for producing asymmetric linear carbonate.
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WO/2023/035460A1 |
A composite photothermal material, a preparation method therefor and the use thereof. The composite photothermal material comprises a two-dimensional photothermal material matrix. The two-dimensional photothermal material matrix is two-d...
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WO/2023/036955A1 |
The present invention relates to the use of an M-NHC catalyst, in which M is Pd or Pt and NHC is an N-heterocyclic carbene group, comprising at least one M atom bonded to at least one N-heterocyclic carbene ligand, in the implementation ...
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WO/2023/035876A1 |
The present invention relates to the technical field of the fluorine chemical industry, and disclosed are a preparation method for a perfluoroolefin oligomer and an application thereof. The preparation method comprises: selecting a combi...
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WO/2023/035451A1 |
A photocatalytic antibacterial material, a preparation method therefor, and a photocatalytic antibacterial agent. The photocatalytic antibacterial material comprises a visible light catalyst matrix and a conductive auxiliary agent; the c...
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WO/2023/039277A1 |
Methods and compositions are described for concrete repair using a non-naturally occurring or a synthetic catalyst. The catalyst includes an aromatic hydrocarbon having an active zinc ion configured to facilitate interaction between carb...
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WO/2023/035030A1 |
Provided herein is a process for producing a compound of formula (I), or a salt thereof: (I) wherein R1 is H or methyl, using an iron- and carbon-containing catalyst or a cobalt- and carbon-containing catalyst. Also provided herein are c...
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WO/2023/035903A1 |
The present invention provides an electroless copper plating catalyst and a method for forming a metal grid by using same. The electroless copper plating catalyst contains palladium nanoparticles and a dispersant; and the dispersant is s...
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WO/2023/031335A1 |
The present invention relates to a process for the preparation of an optically pure (+) or (-) enantiomer of an iminium salt having the formula (I), aid process comprising the following steps: • a) a reduction step of an iminium salt h...
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WO/2023/033165A1 |
A compound represented by formula [I] (in the formula, R12, R13, R14, R15 and R16 are the same or different, and are hydrogen, halogen, a C1-6 alkyl optionally substituted with halogen, or a C1-6 alkoxy optionally substituted with haloge...
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WO/2023/033185A1 |
[Problem] To provide a method for producing ammonia, a molybdenum complex that is used in the production method, and a ligand that is a starting material for the molybdenum complex. [Solution] A method for producing ammonia from nitrogen...
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WO/2023/031524A1 |
The present invention relates to a method for hydrosilylation of an unsaturated compound comprising at least one alkene function or one alkyne function with a compound comprising at least one hydrosilane function, said method being catal...
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WO/2023/032686A1 |
The present invention provides a culture medium for hydroponics, in which a photocatalyst composition (B) is supported on a porous material (A), wherein the photocatalyst composition (B) is a photocatalyst composition in which a metal is...
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WO/2023/023880A1 |
The present application belongs to the technical field of catalytic materials, and in particular relates to a nitrogen heterocyclic carbene-urea bifunctional catalyst and a preparation method therefor. The general formula of the molecula...
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WO/2023/026860A1 |
The present invention pertains to a hydrogen production method for generating hydrogen from a formate by using a metal catalyst in the presence of a solvent, through a two-phase reaction in which the solvent exists in a state where an or...
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WO/2023/027134A1 |
The present invention addresses the problem of providing a novel form of a composition that contains a radical generation source and a radical generation catalyst. The composition of the present invention comprises: (a) a radical generat...
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WO/2023/023881A1 |
Disclosed is an N-heterocyclic carbene-thiourea bifunctional group catalyst. The structural general formula of the N-heterocyclic carbene-thiourea bifunctional group catalyst is as shown in formula I, and Ar1 and Ar2 in the formula I are...
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WO/2023/026855A1 |
This carbon dioxide absorption and reduction solution includes 0.01-100 mM of a metal complex in a mixed solvent of water and a water soluble solvent, wherein: the metal complex includes a central metal atom which is any one of rhenium, ...
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WO/2023/023882A1 |
Disclosed in the present application is a nitrogen heterocyclic carbene-squaric amide bifunctional catalyst. The structural general formula of the nitrogen heterocyclic carbene-squaric amide bifunctional catalyst is as shown in formula I...
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WO/2023/023898A1 |
A rare earth ion-containing bionic water cracking catalyst, and a preparation method therefor and the use thereof. The catalyst contains a [MnnXOm] cluster, wherein n is 3 or 4, m is 2, 4 or 5, and the cluster is a rare earth manganese h...
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WO/2023/027749A1 |
Catalyst systems suitable for tetramerizing ethylene to form 1-octene may include a catalyst comprising a chromium compound coordinated with a ligand and a co-catalyst comprising an organoaluminum compound. The ligand may include have a ...
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WO/2023/021995A1 |
A purpose of the present invention is to provide a pumpless high-pressure hydrogen supply system capable of supplying high-pressure hydrogen to a fuel cell vehicle, etc., when needed without using a compressor or the like, and a method f...
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WO/2023/017841A1 |
One aspect of the present invention is a method for producing a compound represented by general formula (1), the method being characterized by including a step for mixing and reacting ethylene, a compound represented by general formula (...
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WO/2023/017276A1 |
The present invention relates to catalytic methods for preparing surfactant molecules, surfactant molecules obtainable by the method, compositions comprising the surfactant molecules, and to the use of surfactant molecules so prepared in...
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WO/2023/017779A1 |
A method for producing an α-olefin oligomer composition which comprises polymerization step A1, in which an α-olefin is polymerized using a metallocene catalyst to obtain a polymer (a), distillation/separation step A2, in which the pol...
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WO/2023/010689A1 |
Disclosed is a plastic hydrolysis method implemented using a binuclear metal coordination complex catalyst. The plastic hydrolysis method comprises the following step: in an alkaline aqueous solution, in the presence of a catalyst, carry...
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WO/2023/012789A1 |
This invention is directed to iron-based complexes, and uses thereof for catalytic olefin metathesis reaction, including ring opening metathesis polymerization of olefins.
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WO/2023/008989A1 |
The present invention relates to a heterogeneous solid catalyst in the form of a film comprising: polystyrene, trimethyl phosphate and titanium dioxide, and also to the use thereof for 2-amino-4H-chromene synthesis. The catalyst film pro...
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WO/2023/005143A1 |
The present invention provides a two-dimensional supramolecular compound synthesized on the basis of 1,3,5-tri(4-carbonylphenyloxy)benzene, a preparation method therefor, and an application thereof. The method comprises adding 1,3,5-tri(...
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WO/2023/008058A1 |
Provided is an RF battery which can be charged and discharged via the redox control of carbon dioxide by using a flow battery system. This redox flow battery system is provided with: at least one pair of a positive electrode and a negati...
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